Add Tom-Select lib

node_modules/tom-select/dist/js/plugins/checkbox_options.js

@@ -0,0 +1,187 @@
+/**
+* Tom Select v2.4.3
+* Licensed under the Apache License, Version 2.0 (the "License");
+*/
+
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.checkbox_options = factory());
+})(this, (function () { 'use strict';
+
+	/**
+	 * Converts a scalar to its best string representation
+	 * for hash keys and HTML attribute values.
+	 *
+	 * Transformations:
+	 *   'str'     -> 'str'
+	 *   null      -> ''
+	 *   undefined -> ''
+	 *   true      -> '1'
+	 *   false     -> '0'
+	 *   0         -> '0'
+	 *   1         -> '1'
+	 *
+	 */
+	const hash_key = value => {
+	  if (typeof value === 'undefined' || value === null) return null;
+	  return get_hash(value);
+	};
+	const get_hash = value => {
+	  if (typeof value === 'boolean') return value ? '1' : '0';
+	  return value + '';
+	};
+
+	/**
+	 * Prevent default
+	 *
+	 */
+	const preventDefault = (evt, stop = false) => {
+	  if (evt) {
+	    evt.preventDefault();
+	    if (stop) {
+	      evt.stopPropagation();
+	    }
+	  }
+	};
+
+	/**
+	 * Return a dom element from either a dom query string, jQuery object, a dom element or html string
+	 * https://stackoverflow.com/questions/494143/creating-a-new-dom-element-from-an-html-string-using-built-in-dom-methods-or-pro/35385518#35385518
+	 *
+	 * param query should be {}
+	 */
+	const getDom = query => {
+	  if (query.jquery) {
+	    return query[0];
+	  }
+	  if (query instanceof HTMLElement) {
+	    return query;
+	  }
+	  if (isHtmlString(query)) {
+	    var tpl = document.createElement('template');
+	    tpl.innerHTML = query.trim(); // Never return a text node of whitespace as the result
+	    return tpl.content.firstChild;
+	  }
+	  return document.querySelector(query);
+	};
+	const isHtmlString = arg => {
+	  if (typeof arg === 'string' && arg.indexOf('<') > -1) {
+	    return true;
+	  }
+	  return false;
+	};
+
+	/**
+	 * Plugin: "checkbox_options" (Tom Select)
+	 * Copyright (c) contributors
+	 *
+	 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+	 * file except in compliance with the License. You may obtain a copy of the License at:
+	 * http://www.apache.org/licenses/LICENSE-2.0
+	 *
+	 * Unless required by applicable law or agreed to in writing, software distributed under
+	 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+	 * ANY KIND, either express or implied. See the License for the specific language
+	 * governing permissions and limitations under the License.
+	 *
+	 */
+
+	function plugin (userOptions) {
+	  var self = this;
+	  var orig_onOptionSelect = self.onOptionSelect;
+	  self.settings.hideSelected = false;
+	  const cbOptions = Object.assign({
+	    // so that the user may add different ones as well
+	    className: "tomselect-checkbox",
+	    // the following default to the historic plugin's values
+	    checkedClassNames: undefined,
+	    uncheckedClassNames: undefined
+	  }, userOptions);
+	  var UpdateChecked = function UpdateChecked(checkbox, toCheck) {
+	    if (toCheck) {
+	      checkbox.checked = true;
+	      if (cbOptions.uncheckedClassNames) {
+	        checkbox.classList.remove(...cbOptions.uncheckedClassNames);
+	      }
+	      if (cbOptions.checkedClassNames) {
+	        checkbox.classList.add(...cbOptions.checkedClassNames);
+	      }
+	    } else {
+	      checkbox.checked = false;
+	      if (cbOptions.checkedClassNames) {
+	        checkbox.classList.remove(...cbOptions.checkedClassNames);
+	      }
+	      if (cbOptions.uncheckedClassNames) {
+	        checkbox.classList.add(...cbOptions.uncheckedClassNames);
+	      }
+	    }
+	  };
+
+	  // update the checkbox for an option
+	  var UpdateCheckbox = function UpdateCheckbox(option) {
+	    setTimeout(() => {
+	      var checkbox = option.querySelector('input.' + cbOptions.className);
+	      if (checkbox instanceof HTMLInputElement) {
+	        UpdateChecked(checkbox, option.classList.contains('selected'));
+	      }
+	    }, 1);
+	  };
+
+	  // add checkbox to option template
+	  self.hook('after', 'setupTemplates', () => {
+	    var orig_render_option = self.settings.render.option;
+	    self.settings.render.option = (data, escape_html) => {
+	      var rendered = getDom(orig_render_option.call(self, data, escape_html));
+	      var checkbox = document.createElement('input');
+	      if (cbOptions.className) {
+	        checkbox.classList.add(cbOptions.className);
+	      }
+	      checkbox.addEventListener('click', function (evt) {
+	        preventDefault(evt);
+	      });
+	      checkbox.type = 'checkbox';
+	      const hashed = hash_key(data[self.settings.valueField]);
+	      UpdateChecked(checkbox, !!(hashed && self.items.indexOf(hashed) > -1));
+	      rendered.prepend(checkbox);
+	      return rendered;
+	    };
+	  });
+
+	  // uncheck when item removed
+	  self.on('item_remove', value => {
+	    var option = self.getOption(value);
+	    if (option) {
+	      // if dropdown hasn't been opened yet, the option won't exist
+	      option.classList.remove('selected'); // selected class won't be removed yet
+	      UpdateCheckbox(option);
+	    }
+	  });
+
+	  // check when item added
+	  self.on('item_add', value => {
+	    var option = self.getOption(value);
+	    if (option) {
+	      // if dropdown hasn't been opened yet, the option won't exist
+	      UpdateCheckbox(option);
+	    }
+	  });
+
+	  // remove items when selected option is clicked
+	  self.hook('instead', 'onOptionSelect', (evt, option) => {
+	    if (option.classList.contains('selected')) {
+	      option.classList.remove('selected');
+	      self.removeItem(option.dataset.value);
+	      self.refreshOptions();
+	      preventDefault(evt, true);
+	      return;
+	    }
+	    orig_onOptionSelect.call(self, evt, option);
+	    UpdateCheckbox(option);
+	  });
+	}
+
+	return plugin;
+
+}));
+//# sourceMappingURL=checkbox_options.js.map